If you want to react on
a message, the answer will open in a new window. While you
type your answer, meanwhile you can read the original message .

Save message:

If you want to post a message on the group, you can click
on the button "save" in the editor. The button looks like this:
If
you have clicked on the button, the message will be saved and the screen
will close automaticly.
If you think the window is to small, please press this button in
your editor: .
Offcourse you can increase the whole page in the right corner .

Where are these buttons?
In the editor, every single button has his own function. This
image shows the buttons "Save" and"Increase window".